Anti-fatigue mat



FIG. 1 is a perspective view of an anti-fatigue mat showing my newdesign;

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a front elevational view thereof.

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a left side view thereof, the right side being a mirror image.

CLAIM The ornamental design for an anti-fatigue mat, as shown anddescribed.